nhet_cn_back_main/Service/Ammeter/EmeterDayEnergyService.cs

using Entity.Ammeter;
using Entity.Dto.Req;
using HybirdFrameworkCore.Autofac.Attribute;
using HybirdFrameworkCore.Entity;
using Repository.Ammeter;
using SqlSugar;

namespace Service.Ammeter
{
    /// <summary>
    /// 
    /// </summary>
    [Scope("SingleInstance")]
    public class EmeterDayEnergyService : BaseServices<EmeterDayEnergy>
    {
        public EmeterDayEnergyService(EmeterDayEnergyRepository service)
        {
            this.BaseDal = service;
        }
        public async Task<PageResult<EmeterDayEnergy>> Page(PageAmmeterReq queryPageModel)
        {
            QueryPageModel queryPageModel1 = new QueryPageModel
            {
                PageNum = queryPageModel.PageNum,
                PageSize = queryPageModel.PageSize,
            };
            if (!string.IsNullOrEmpty(queryPageModel.Code))
                return PageResult<EmeterDayEnergy>.ConvertPage(this.BaseDal.QueryIPageByCause(queryPageModel1, u => u.Code == queryPageModel.Code));
            else
                return PageResult<EmeterDayEnergy>.ConvertPage(this.BaseDal.QueryIPageByCause(queryPageModel1, null));
        }
        /// <summary>
        /// 七天电能统计
        /// </summary>
        /// <returns></returns>
        public async Task<List<EmeterDayEnergy>> SevenDaysElectricalEnergy()
        {
            DateTime sevenDaysAgo = DateTime.Today.AddDays(-7);

            List<EmeterDayEnergy> result = this.BaseDal.Queryable()
                .Where(e => e.St >= sevenDaysAgo)
                .GroupBy(e => e.Code)
                .Select(e => new EmeterDayEnergy
                {
                    Code = e.Code,
                    Value = SqlFunc.AggregateSum(e.Value)
                }).ToList();
            return result;
        }
    }
}